--- zzzz-none-000/linux-3.10.107/arch/alpha/lib/udelay.c 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/arch/alpha/lib/udelay.c 2021-02-04 17:41:59.000000000 +0000 @@ -30,6 +30,7 @@ " bgt %0,1b" : "=&r" (tmp), "=r" (loops) : "1"(loops)); } +EXPORT_SYMBOL(__delay); #ifdef CONFIG_SMP #define LPJ cpu_data[smp_processor_id()].loops_per_jiffy